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[NoQA] e2e: add lowerIsBetter for e2e metrics #46732

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Aug 5, 2024
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11 changes: 10 additions & 1 deletion tests/e2e/compare/compare.ts
Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,15 @@ const PROBABILITY_CONSIDERED_SIGNIFICANCE = 0.02;
*/
const DURATION_DIFF_THRESHOLD_SIGNIFICANCE = 100;

const LowerIsBetter: Record<Unit, boolean> = {
ms: true,
MB: true,
// eslint-disable-next-line @typescript-eslint/naming-convention
'%': true,
renders: true,
FPS: false,
};

function buildCompareEntry(name: string, compare: Stats, baseline: Stats, unit: Unit): Entry {
const diff = compare.mean - baseline.mean;
const relativeDurationDiff = diff / baseline.mean;
Expand All @@ -44,7 +53,7 @@ function buildCompareEntry(name: string, compare: Stats, baseline: Stats, unit:
baseline,
current: compare,
diff,
relativeDurationDiff,
relativeDurationDiff: LowerIsBetter[unit] ? relativeDurationDiff : -relativeDurationDiff,
isDurationDiffOfSignificance,
};
}
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